... composition, particle size, etc can be adjustable. Copper Powder1. Pure Copper Powder can be used for making powder metallurgy ... friction material, used as extrusions , additive etc.2.Copper alloy powder used for sintering bimetal sheet/ plate, ... including flame-spraying, brazing,strip-bearings, metal-bonded grinding wheels and cutting tools, metalfilled plastics for bearings, decorative, ...